/Engine/Source/Runtime/MovieSceneTracks/Public/Tracks/MovieScenePropertyTrack.h
template<typename U, typename PayloadType> TPropertyTrackWithOverridableChannelsEntityImportHelperImpl< FAdd, TAddConditional< U > > Add &40; TComponentTypeID< U > ComponentType, PayloadType && InPayload, FChannelOverrideEntityImportParams OverrideParams &41;